Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Mexico City Qual | 2018/04/07 16:00 | Pedro Sakamoto v Andrea Basso | 6-4,6-7,3-6 |
| Challenger Panama City | 2018/04/03 17:20 | Pedro Sakamoto v Andrea Basso | 2-6,2-6 |
| Challenger San Luis Potosi | 2018/03/31 19:00 | Roberto Cid Subervi v Pedro Sakamoto | 6-3,6-3 |
| Challenger San Luis Potosi | 2018/03/30 20:15 | Jay Clarke v Pedro Sakamoto | 3-6,6-7 |
| Challenger San Luis Potosi | 2018/03/29 18:00 | Pedro Sakamoto v Pedja Krstin | 4-6,6-3,7-5 |
| Challenger San Luis Potosi | 2018/03/27 23:20 | Federico Coria v Pedro Sakamoto | 3-6,4-6 |
| Challenger San Luis Potosi Qual | 2018/03/26 19:35 | Pedro Sakamoto v Gonzalo Lama | 6-4,7-6 |
| Challenger San Luis Potosi Qual | 2018/03/26 00:25 | Pedro Sakamoto v Emilio Gomez | 6-2,6-2 |
| ITF Nigeria F1 | 2018/04/17 12:00 | Danylo Kalenichenko v Diego Matos | 3-6,6-3,6-3 |
| ITF Nigeria F1 | 2018/04/15 09:00 | Christian Paul v Diego Matos | 2-6,5-7 |
| ITF Israel F3 | 2018/03/18 08:00 | Roee Benya v Diego Matos | 5-7,7-6,7-6 |
| ITF Greece F3 | 2018/03/14 14:55 | Diego Matos v Fran Zvonimir Zgombic | 1-6,6-7 |
| ITF Greece F3 | 2018/03/12 08:00 | Diego Matos v Martin Dimitrov | 4-6,6-4,6-4 |
| ITF Greece F3 | 2018/03/11 08:00 | Gage Brymer v Diego Matos | 6-7,5-7 |
| ITF Greece F3 | 2018/03/10 10:00 | Masayoshi Ono v Diego Matos | 5-7,4-6 |
| ITF Greece F2 | 2018/03/04 08:00 | Diego Matos v Marco Miceli | 5-7,5-7 |